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This cross-sectional study describes 4 parallel approaches used simultaneously to monitor influenza A virus and SARS-CoV-2 activity within a Wisconsin school district during the Fall 2022 semester and briefly following winter break.
Conflict of Interest Disclosures: Dr Temte reported in-kind support of rapid analyzers and test kits to Oregon School District from QuidelOrtho during the conduct of the study; and personal fees from Elsevier Publishing as a Member of Advisory Board for PracticeUpdate Primary Care outside the submitted work. Dr S. L. O’Connor reported grants from NIH during the conduct of the study; other from Programme for Research in Epidemic Preparedness and Response (PREPARE) Scientific Review Panel Compensation for reviewing grants and other from NIH Compensation for reviewing grants outside the submitted work. No other disclosures were reported.
Figures
Figure.. Comparisons of In-School Disease Surveillance Methods
Figure.. Comparisons of In-School Disease Surveillance Methods
A-D, Influenza A virus (IAV) activity in the…
Figure.. Comparisons of In-School Disease Surveillance Methods
A-D, Influenza A virus (IAV) activity in the 7 K-12 schools in the Oregon School District, Dane County, Wisconsin, over 22 weeks between September 1, 2022, and January 28, 2023, illustrated by number of schools with positive cartridges per week via air sampling (A), number of positive IAV specimens per week via school-based rapid antigen testing (RAT) (B) and students participating in the Oregon Child Absenteeism due to Respiratory Disease Study (ORCHARDS) tested by reverse transcriptase–polymerase chain reaction (RT-PCR) (C), and number of children absent per week due to influenza-like illness (ILI) (D). Winter break occurred from December 22, 2022, through January 2, 2023, as depicted by vertical arrows. E-H, SARS-CoV-2 activity in these schools over the same period, illustrated by number of schools with positive cartridges per week via air sampling (E), number of positive SARS-CoV-2 specimens per week via school-based RAT (F) and students tested by ORCHARD RT-PCR (G), and number of children absent per week due to COVID-19 (H).
Temte JL, Barlow S, Goss M, et al. The Oregon Child Absenteeism Due to Respiratory Disease Study (ORCHARDS): rationale, objectives, and design. Influenza Other Respir Viruses. 2022;16(2):340-350. doi: 10.1111/irv.12920
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